Patent · US Active

Two-stage, gas phase process for the manufacture of alkylene glycol

US8309771B2 · kind B2 · utility

3Cited by

28References

20Claims

0Family size

Assignee

Dow Technology Investments LLC · US

Inventors

Joseph C. Noronha · Charleston, US
Elbert J. Campbell · Missouri City, US
Brian T. Keen · Charleston, US
Dick Nagaki · Diemelstraße, US
Hwaili Soo · Charleston, US
David A. Spears · Midland, US
John F. Szul · Nitro, US

Key dates

Filing date	Jul 31, 2009
Grant date	Nov 13, 2012
Priority date	—
Expiry date	Apr 28, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D301/06
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A two-stage, gas phase process for manufacturing alkylene glycol (e.g., ethylene glycol) from an alkene (e.g., ethylene), oxygen and water, the process comprising the steps of:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.